Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bb31a8fa authored by Albert Lee's avatar Albert Lee Committed by Jeff Garzik
Browse files

[PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64) 



Backport the "pio flush" from the libata major update to 2.6.17 for via atapi.

Signed-off-by: default avatarAlbert Lee <albertcc@tw.ibm.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 387e2b04

drivers/scsi/libata-core.c

+5 −0
Original line number Diff line number Diff line
@@ -3643,6 +3643,8 @@ static void ata_pio_block(struct ata_port *ap) 


		ata_pio_sector(qc);

	}



	ata_altstatus(ap); /* flush */

}



static void ata_pio_error(struct ata_port *ap)
@@ -3759,11 +3761,14 @@ static void atapi_packet_task(void *_data) 
		spin_lock_irqsave(&ap->host_set->lock, flags);

		ap->flags &= ~ATA_FLAG_NOINTR;

		ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);

		ata_altstatus(ap); /* flush */



		if (qc->tf.protocol == ATA_PROT_ATAPI_DMA)

			ap->ops->bmdma_start(qc);	/* initiate bmdma */

		spin_unlock_irqrestore(&ap->host_set->lock, flags);

	} else {

		ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);

		ata_altstatus(ap); /* flush */



		/* PIO commands are handled by polling */

		ap->hsm_task_state = HSM_ST;